package cn.tedu.v2_1;

import java.io.*;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;

/**
 * 聊天室  Version 2.1
 * 客户端基本不变 ：关闭socket、拓展增加IP
 *                          1.私有化IP
 *                          2.构造器，当前IP进行赋值
 *                          3.任意位置使用IP[读入知道对方IP]
 *
 */
public class Client {
    private Socket socket;
    //1.私有化IP
    private String ip;
    public Client(){
        try {
            socket=new Socket("127.0.0.1",3333);
            //2.确定传入IP就是当前IP地址
            ip=socket.getInetAddress().getHostAddress();
        } catch (UnknownHostException e) {
            System.out.println("IP地址有问题，请询问服务器端");
            e.printStackTrace();
        }catch (IOException e) {
            System.out.println("客户端主动退出了");
        }
    }
    public void start(){
        PrintWriter pw= null;
        try {
            pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(), "UTF8")), true);
            System.out.println(ip+"客户端用户：请输入文字：");
            Scanner input = new Scanner(System.in);
            while (true) {
                String say = input.nextLine();
                pw.println("客户端说"+say);
                System.out.println("写出完毕");
            }


        }catch (UnsupportedEncodingException e) {
            System.out.println("客户端与服务器端，字符集不一致");
        }catch (IOException e) {
            System.out.println("客户端断开链接");
        } finally {
            if (pw!=null)
                pw.close();
            try {
                socket.close();
            } catch (IOException e) {
                System.out.println("客户端离开");
            }
            if(socket!=null&&!socket.isClosed()){
                System.out.println(ip+"客户端关闭成功");
                try {
                    socket.close();
                } catch (IOException e) {
                    System.out.println(ip+"客户端关闭失败");
                }
            }
        }
    }
    public static void main(String[] args) {
        Client client=new Client();
        client.start();
    }
}